@font-face {
  font-family: "Geist";
  src: url("/assets/fonts/Geist-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Geist Mono";
  src: url("/assets/fonts/GeistMono-Variable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.97 0 0);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.97 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.97 0 0);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.922 0 0);
  --input: oklch(0.922 0 0);
  --ring: oklch(0.556 0 0);
  --success: oklch(0.648 0.15 145);
  --radius: 0.625rem;
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --font-sans: "Geist", system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-shatter: cubic-bezier(0.55, 0, 0.85, 0.4);
  --focus-ring: 0 0 0 3px var(--ring);
  --card-ring: 0 0 0 1px color-mix(in oklch, var(--foreground) 10%, transparent);
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%23737373' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  color-scheme: light;
}

[data-theme="dark"] {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --primary: oklch(0.922 0 0);
  --primary-foreground: oklch(0.205 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.556 0 0);
  --success: oklch(0.768 0.16 148);
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4' fill='none' stroke='%23a3a3a3' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background-color: var(--background);
  background-image: radial-gradient(60% 320px at 50% 0%, color-mix(in oklch, var(--foreground) 3%, transparent), transparent 100%);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 200ms ease, color 200ms ease;
}

[hidden] {
  display: none !important;
}

::selection {
  background: color-mix(in oklch, var(--primary) 18%, transparent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklch, var(--background) 85%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  transition: background-color 200ms ease, border-color 200ms ease;
}

.header-inner {
  max-width: 768px;
  height: 56px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
  color: var(--foreground);
  border-radius: var(--radius-md);
  transition: opacity 150ms ease;
}

.brand:hover {
  opacity: 0.8;
}

.brand:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.brand-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  transform: rotate(15deg);
}

.brand-sub {
  font-size: 14px;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.page {
  width: 100%;
  margin: 0 auto;
  padding: 40px 20px 56px;
}

.page-form {
  max-width: 680px;
}

.page-secret {
  max-width: 600px;
  padding-top: 48px;
}

.page-heading {
  margin-bottom: 24px;
}

.page-heading h1 {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.page-heading p {
  margin: 0;
  font-size: 14px;
  color: var(--muted-foreground);
  text-wrap: pretty;
}

.card {
  position: relative;
  background: var(--card);
  color: var(--card-foreground);
  border-radius: var(--radius-xl);
  box-shadow: var(--card-ring);
  font-size: 14px;
  transition: background-color 200ms ease, box-shadow 200ms ease;
}

.card-header {
  display: grid;
  gap: 4px;
  padding: 16px 16px 0;
}

.card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.375;
  letter-spacing: -0.01em;
}

.card-title:focus {
  outline: none;
}

.card-description {
  margin: 0;
  font-size: 14px;
  color: var(--muted-foreground);
}

.card-content {
  display: grid;
  gap: 16px;
  padding: 16px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: color-mix(in oklch, var(--muted) 50%, transparent);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.footer-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted-foreground);
}

.card-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in oklch, var(--muted) 40%, transparent);
}

.card > .card-band:first-child {
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.band-ref {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.band-ref-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.band-ref-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted-foreground);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.4;
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.badge-outline {
  color: var(--foreground);
  border: 1px solid var(--border);
  background: var(--background);
}

.badge-icon {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  color: var(--muted-foreground);
}

.field {
  display: grid;
  gap: 6px;
}

.label {
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  width: fit-content;
}

.helper {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--muted-foreground);
}

.helper-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.char-counter {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.input,
.select,
.textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--foreground);
  background: transparent;
  border: 1px solid var(--input);
  border-radius: var(--radius-lg);
  transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
}

[data-theme="dark"] .input,
[data-theme="dark"] .select,
[data-theme="dark"] .textarea {
  background: color-mix(in oklch, var(--input) 30%, transparent);
}

.input,
.select {
  height: 2rem;
  padding: 0 10px;
}

.textarea {
  min-height: 64px;
  padding: 8px 10px;
  resize: vertical;
  line-height: 1.55;
}

.textarea-secret {
  min-height: 140px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 28px;
  background-image: var(--chevron);
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
}

.select option,
.select optgroup {
  background-color: var(--card);
  color: var(--foreground);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--muted-foreground);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: var(--focus-ring);
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 2rem;
  padding: 0 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  user-select: none;
  transition: all 150ms ease;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn:focus-visible {
  outline: none;
  border-color: var(--ring);
  box-shadow: var(--focus-ring);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn-lg {
  height: 2.25rem;
  padding: 0 16px;
}

.btn-icon {
  width: 2rem;
  padding: 0;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.btn-primary:hover:not(:disabled) {
  background: color-mix(in oklch, var(--primary) 80%, transparent);
}

.btn-outline {
  border-color: var(--border);
  background: var(--background);
  color: var(--foreground);
}

.btn-outline:hover:not(:disabled) {
  background: var(--muted);
}

[data-theme="dark"] .btn-outline {
  border-color: var(--input);
  background: color-mix(in oklch, var(--input) 30%, transparent);
}

[data-theme="dark"] .btn-outline:hover:not(:disabled) {
  background: color-mix(in oklch, var(--input) 50%, transparent);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.btn-secondary:hover:not(:disabled) {
  background: color-mix(in oklch, var(--secondary-foreground) 5%, var(--secondary));
}

.btn-ghost {
  background: transparent;
  color: var(--foreground);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--muted);
}

.btn-destructive {
  background: color-mix(in oklch, var(--destructive) 10%, transparent);
  color: oklch(0.505 0.213 27.5);
}

.btn-destructive:hover:not(:disabled) {
  background: color-mix(in oklch, var(--destructive) 20%, transparent);
}

[data-theme="dark"] .btn-destructive {
  background: color-mix(in oklch, var(--destructive) 20%, transparent);
  color: var(--destructive);
}

[data-theme="dark"] .btn-destructive:hover:not(:disabled) {
  background: color-mix(in oklch, var(--destructive) 30%, transparent);
  color: oklch(0.808 0.114 19.6);
}

.btn-spinner {
  display: none;
}

.btn.is-loading .btn-spinner {
  display: inline-block;
  animation: spin 0.8s linear infinite;
}

.btn.is-loading .btn-icon-default {
  display: none;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.icon-check {
  display: none;
}

.btn.is-copied .icon-copy {
  display: none;
}

.btn.is-copied .icon-check {
  display: inline-block;
}

.theme-toggle {
  position: relative;
  color: var(--muted-foreground);
}

.theme-toggle:hover:not(:disabled) {
  color: var(--foreground);
}

.theme-toggle svg {
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -8px 0 0 -8px;
  transition: transform 400ms var(--ease-out), opacity 250ms ease;
}

.icon-sun {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

.icon-moon {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}

[data-theme="dark"] .icon-sun {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}

[data-theme="dark"] .icon-moon {
  transform: rotate(0deg) scale(1);
  opacity: 1;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
  border-radius: var(--radius-lg);
}

.alert svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-destructive {
  color: oklch(0.505 0.213 27.5);
  background: color-mix(in oklch, var(--destructive) 10%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--destructive) 25%, transparent);
}

[data-theme="dark"] .alert-destructive {
  color: var(--destructive);
}

.notice {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted-foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklch, var(--muted) 40%, transparent);
}

.notice p {
  margin: 0;
}

.notice-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 2px;
}

.separator {
  height: 1px;
  margin: 0;
  border: none;
  background: var(--border);
}

.success-line {
  display: flex;
  align-items: center;
  gap: 8px;
}

.success-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  background: color-mix(in oklch, var(--success) 15%, transparent);
  color: var(--success);
}

.success-indicator svg {
  width: 12px;
  height: 12px;
}

.link-group {
  display: flex;
  align-items: stretch;
}

.link-group .link-input {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--foreground);
  background: color-mix(in oklch, var(--muted) 50%, transparent);
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.link-group .btn {
  margin-left: -1px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.link-group .link-input:focus,
.link-group .btn:focus-visible {
  position: relative;
  z-index: 1;
}

.summary-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.summary-item dt {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-foreground);
}

.summary-item dd {
  margin: 2px 0 0;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.state-title {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.state-title:focus {
  outline: none;
}

.state-text {
  margin: 0;
  font-size: 14px;
  color: var(--muted-foreground);
}

.state-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--muted);
  color: var(--muted-foreground);
}

.state-icon-wrap svg {
  width: 20px;
  height: 20px;
}

.state-actions {
  display: flex;
  padding-top: 4px;
}

.micro-note {
  margin: 0;
  font-size: 12px;
  color: var(--muted-foreground);
}

.timer-track {
  height: 3px;
  overflow: hidden;
  background: color-mix(in oklch, var(--foreground) 8%, transparent);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.timer-fill {
  width: 100%;
  height: 100%;
  background: var(--primary);
  transform-origin: left;
  transform: scaleX(1);
  transition: transform 1s linear, background-color 400ms ease;
}

.timer-fill.is-critical {
  background: var(--destructive);
}

.secret-block {
  max-height: 280px;
  overflow-y: auto;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  background: color-mix(in oklch, var(--muted) 60%, transparent);
  border-radius: var(--radius-lg);
  box-shadow: inset 0 0 0 1px var(--border);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  user-select: all;
  scrollbar-width: thin;
}

.secret-block:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 1px var(--ring), var(--focus-ring);
}

.action-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.countdown-line {
  margin: 0;
  font-size: 13px;
  color: var(--muted-foreground);
}

.countdown-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--foreground);
}

.countdown-line.is-critical .countdown-num {
  color: var(--destructive);
}

.state-note {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted-foreground);
}

.redaction-bar {
  height: 10px;
  border-radius: 3px;
  background: color-mix(in oklch, var(--foreground) 15%, transparent);
}

.redaction-bar + .redaction-bar {
  margin-top: 8px;
}

.shatter-container {
  position: absolute;
  z-index: 30;
  pointer-events: none;
}

.shatter-fragment {
  position: absolute;
  inset: 0;
  will-change: transform, opacity;
}

.anim {
  animation: card-enter 500ms var(--ease-out) both;
}

.anim-2 {
  animation-delay: 80ms;
}

.anim-3 {
  animation-delay: 160ms;
}

.card-enter {
  animation: card-enter 450ms var(--ease-out);
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.card-leave {
  animation: card-leave 160ms ease forwards;
}

@keyframes card-leave {
  from {
    opacity: 1;
    transform: none;
  }
  to {
    opacity: 0;
    transform: translateY(-6px);
  }
}

.card-fade {
  animation: card-fade 200ms ease;
}

@keyframes card-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 20px;
  transition: border-color 200ms ease;
}

.site-footer p {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: center;
  gap: 4px 8px;
  font-size: 12px;
  color: var(--muted-foreground);
  text-align: center;
}

.footer-brand {
  font-weight: 500;
}

@media (max-width: 560px) {
  .config-grid {
    grid-template-columns: 1fr;
  }
  .card-footer {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  .card-footer .btn {
    width: 100%;
  }
  .summary-list {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .summary-item {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
  }
  .summary-item dd {
    margin: 0;
  }
  .page {
    padding-top: 28px;
  }
  .page-secret {
    padding-top: 32px;
  }
}

@media (max-width: 440px) {
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }
  .action-row .btn {
    width: 100%;
  }
}

@media (max-width: 400px) {
  .page {
    padding-left: 16px;
    padding-right: 16px;
  }
  .header-inner {
    padding: 0 16px;
  }
  .page-heading h1 {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}